Home / 67,966.40-101,949.60-18,054.20

Finding the Fourth Proportional to 67,966.40, 101,949.60 and 18,054.20

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Solution

The fourth proportional to 67,966.40, 101,949.60 and 18,054.20 is: 27,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,966.40 : 101,949.60 = 18,054.20 : x
  2. Step 2: Convert to fraction form
    67,966.40/101,949.60 = 18,054.20/x
  3. Step 3: Cross multiply
    67,966.40x = 101,949.60 × 18,054.20
  4. Step 4: Simplify right side
    67,966.40x = 1,840,618,468.32
  5. Step 5: Solve for x
    x = 1,840,618,468.32/67,966.40
  6. Step 6: Final answer
    x = 27,081.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.